2 tuplet-engraver.cc -- implement Tuplet_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1998--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
10 #include "engraver.hh"
11 #include "international.hh"
12 #include "note-column.hh"
14 #include "stream-event.hh"
15 #include "tuplet-bracket.hh"
19 #include "translator.icc"
21 struct Tuplet_description
28 bool full_length_note_;
33 full_length_note_ = false;
40 class Tuplet_engraver : public Engraver
43 TRANSLATOR_DECLARATIONS (Tuplet_engraver);
46 vector<Tuplet_description> tuplets_;
47 vector<Tuplet_description> stopped_tuplets_;
48 vector<Spanner*> last_tuplets_;
49 DECLARE_ACKNOWLEDGER (note_column);
50 DECLARE_TRANSLATOR_LISTENER (tuplet_span);
51 virtual void finalize ();
52 void start_translation_timestep ();
53 void process_music ();
56 IMPLEMENT_TRANSLATOR_LISTENER (Tuplet_engraver, tuplet_span);
58 Tuplet_engraver::listen_tuplet_span (Stream_event *ev)
60 Direction dir = to_dir (ev->get_property ("span-direction"));
65 tuplets_.push_back (d);
67 else if (dir == STOP && tuplets_.size ())
69 stopped_tuplets_.push_back (tuplets_.back ());
73 programming_error (_ ("invalid direction of tuplet-span-event"));
77 Tuplet_engraver::process_music ()
79 for (vsize i = 0; i < stopped_tuplets_.size (); i++)
81 if (stopped_tuplets_[i].bracket_)
83 if (stopped_tuplets_[i].full_length_)
86 unsmob_item (stopped_tuplets_[i].full_length_note_
87 ? get_property ("currentMusicalColumn")
88 : get_property ("currentCommandColumn"));
90 stopped_tuplets_[i].bracket_->set_bound (RIGHT, col);
91 stopped_tuplets_[i].number_->set_bound (RIGHT, col);
93 else if (!stopped_tuplets_[i].bracket_->get_bound (RIGHT))
95 stopped_tuplets_[i].bracket_->set_bound (RIGHT,
96 stopped_tuplets_[i].bracket_->get_bound (LEFT));
97 stopped_tuplets_[i].number_->set_bound (RIGHT,
98 stopped_tuplets_[i].bracket_->get_bound (LEFT));
100 // todo: scrap last_tuplets_, use stopped_tuplets_ only.
101 // clear stopped_tuplets_ at start_translation_timestep
102 last_tuplets_.push_back (tuplets_[i].bracket_);
103 last_tuplets_.push_back (tuplets_[i].number_);
106 stopped_tuplets_.clear ();
108 for (vsize j = tuplets_.size (); j > 0; j--)
110 /* i goes from size-1 downto 0, inclusively */
114 if (tuplets_[i].bracket_)
117 tuplets_[i].full_length_ = to_boolean (get_property ("tupletFullLength"));
118 tuplets_[i].full_length_note_
119 = to_boolean (get_property ("tupletFullLengthNote"));
121 tuplets_[i].bracket_ = make_spanner ("TupletBracket",
122 tuplets_[i].event_->self_scm ());
123 tuplets_[i].number_ = make_spanner ("TupletNumber",
124 tuplets_[i].event_->self_scm ());
125 tuplets_[i].number_->set_object ("bracket", tuplets_[i].bracket_->self_scm ());
126 tuplets_[i].bracket_->set_object ("tuplet-number", tuplets_[i].number_->self_scm ());
128 if (i < tuplets_.size () - 1 && tuplets_[i + 1].bracket_)
129 Tuplet_bracket::add_tuplet_bracket (tuplets_[i].bracket_, tuplets_[i + 1].bracket_);
131 if (i > 0 && tuplets_[i - 1].bracket_)
132 Tuplet_bracket::add_tuplet_bracket (tuplets_[i - 1].bracket_, tuplets_[i].bracket_);
138 Tuplet_engraver::acknowledge_note_column (Grob_info inf)
140 for (vsize j = 0; j < tuplets_.size (); j++)
141 if (tuplets_[j].bracket_)
143 Item *i = dynamic_cast<Item *> (inf.grob ());
144 Tuplet_bracket::add_column (tuplets_[j].bracket_, i);
145 add_bound_item (tuplets_[j].number_, i);
150 Tuplet_engraver::start_translation_timestep ()
152 last_tuplets_.clear ();
156 Tuplet_engraver::finalize ()
158 if (to_boolean (get_property ("tupletFullLength")))
159 for (vsize i = 0; i < last_tuplets_.size (); i++)
161 Item *col = unsmob_item (get_property ("currentCommandColumn"));
162 last_tuplets_[i]->set_bound (RIGHT, col);
166 Tuplet_engraver::Tuplet_engraver ()
170 ADD_ACKNOWLEDGER (Tuplet_engraver, note_column);
171 ADD_TRANSLATOR (Tuplet_engraver,
172 /* doc */ "Catch TupletSpannerEvent and generate appropriate bracket ",
178 "tupletFullLengthNote ",